As for the SMC roving, what’s the difference between 440, 442, 458A, 440A, 456, and 410?
2019-11-05 11:37:29 中国巨石股份有限公司
440: A kind of general purpose Assembled Roving for SMC is mainly used to produce large structural parts such as automotive headliner;
442: Mainly used in manufacture of pigmentable SMC product with high surface quality, such as ceiling tile. Low LOI content; suitable for Asian markets;
458A: Mainly used in manufacture of pigmentable SMC product with high surface quality, such as bathtub; High LOI content; Mainly for North American markets;
440A: Assembled roving especially designed for automotive headliner. It is not recommended to use 440A in SMC processes.
456: Suitable to manufacture Class A SMC product.
410: Excellent hydrolysis resistance, mainly for manufacture of SMC bathroom fixtures, such as bathtub, enclosure panels, etc; mainly for Japan market;